# w = int(input("请输入矩形的宽度: "))
# print("#" * w)
# print("#" + " " * (w - 2) + "#")
# print("#" + " " * (w - 2) + "#")
# print("#" * w)

# input_str = input("输入一个英文：")
#
# if "a" in input_str:
#     print("你好，输入正确")
# else:
#     print("Wrong")

# input_str = input("输入一部分内容：")
# print(input_str[0])
# print(input_str[-1])
# long = len(input_str)
# if long%2==0:
#     print("长度：",long)
# else:
#     zhognjing = int(long/2)
#     print(input_str[zhognjing])
#
# print((5.23%2))
# print(0.1+0.2input

input_str = input("输入：")
a = input_str[1:]
b = a[:-1]
print(b)